combine end and nether shaders into one group of programs. for my own ease of use.

shaders/dimensions/composite.vsh

@@ -0,0 +1,49 @@
+
+#include "/lib/settings.glsl"
+
+varying vec2 texcoord;
+
+flat varying vec3 avgAmbient;
+
+flat varying float tempOffsets;
+flat varying vec2 TAA_Offset;
+flat varying vec3 zMults;
+
+uniform sampler2D colortex4;
+
+uniform float far;
+uniform float near;
+uniform mat4 gbufferModelViewInverse;
+uniform vec3 sunPosition;
+uniform float rainStrength;
+uniform float sunElevation;
+uniform int frameCounter;
+
+const vec2[8] offsets = vec2[8](vec2(1./8.,-3./8.),
+							vec2(-1.,3.)/8.,
+							vec2(5.0,1.)/8.,
+							vec2(-3,-5.)/8.,
+							vec2(-5.,5.)/8.,
+							vec2(-7.,-1.)/8.,
+							vec2(3,7.)/8.,
+							vec2(7.,-7.)/8.);
+
+
+#include "/lib/util.glsl"
+
+void main() {
+	gl_Position = ftransform();
+	texcoord = gl_MultiTexCoord0.xy;
+
+	tempOffsets = HaltonSeq2(frameCounter%10000);
+
+	TAA_Offset = offsets[frameCounter%8];
+	
+	#ifndef TAA
+		TAA_Offset = vec2(0.0);
+	#endif
+
+
+	avgAmbient = texelFetch2D(colortex4,ivec2(0,37),0).rgb;
+	zMults = vec3((far * near)*2.0,far+near,far-near);
+}